4 Ornithopter

2 x Ancient Den

3 x Welding Jar

4 x Ornithopter

Phyrexian Devourer

DescriptionIf Phyrexian Devourer's power is 7 or greater, bury it.o0: Remove the top card of your library from the game to put a +X/+X counter on Phyrexian Devourer, where X is equal to that card's casting cost.